Home / 745,137.20-1,117,078.86-324,095.96

Finding the Fourth Proportional to 745,137.20, 1,117,078.86 and 324,095.96

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Solution

The fourth proportional to 745,137.20, 1,117,078.86 and 324,095.96 is: 485,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,137.20 : 1,117,078.86 = 324,095.96 : x
  2. Step 2: Convert to fraction form
    745,137.20/1,117,078.86 = 324,095.96/x
  3. Step 3: Cross multiply
    745,137.20x = 1,117,078.86 × 324,095.96
  4. Step 4: Simplify right side
    745,137.20x = 362,040,745,527.41
  5. Step 5: Solve for x
    x = 362,040,745,527.41/745,137.20
  6. Step 6: Final answer
    x = 485,871.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.